1965250711876 has 9 divisors (see below), whose sum is σ = 3439193652349. Its totient is φ = 982623954064.

The previous prime is 1965250711813. The next prime is 1965250711877. The reversal of 1965250711876 is 6781170525691.

The square root of 1965250711876 is 1401874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1675186604100 + 290064107776 = 1294290^2 + 538576^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1965250711876.

It is not an unprimeable number, because it can be changed into a prime (1965250711877) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2453280 + ... + 3154216.

Almost surely, 2^{1965250711876} is an apocalyptic number.

1965250711876 is the 1401874-th square number.

It is an amenable number.

1965250711876 is a deficient number, since it is larger than the sum of its proper divisors (1473942940473).

1965250711876 is an frugal number, since it uses more digits than its factorization.

1965250711876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401878 (or 700939 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 58.

The spelling of 1965250711876 in words is "one trillion, nine hundred sixty-five billion, two hundred fifty million, seven hundred eleven thousand, eight hundred seventy-six".